algae vinyl

I’m perplexed. I had a new vinyl liner installed about a month ago. Got my PH/ALK balanced quickly and my Calcium level to 200. Got my Chlorine level up to a 10 right away. Used Diclor and Triclor until my CYA got to 40/50 and switched to liquid. Holding my chlorine low level to 4/5. Been...

Hi guys, I'm new to the forum and pool caring. Have the pool for a couple months and was taking care of it with dichlor only. And it was crystal clear. But my pH was around 7 - 7.2 and last week I added sodium carbonate to raise the pH. The same night I shocked the pool. The next day the...

We are on our 3rd pool season in a new house to us, older pool. The first year the pool was opened by previous owners and no issues. Vinyl, 25,000, Sand filter, stopped using inline chlorinator...pucks in skimmers? Last year we had a company open who said we needed a new sand filter, then we...